1010101202111 has 4 divisors (see below), whose sum is σ = 1010629223472. Its totient is φ = 1009573180752.

The previous prime is 1010101202081. The next prime is 1010101202119. The reversal of 1010101202111 is 1112021010101.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1010101202111 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1010101202092 and 1010101202101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1010101202119) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 264007811 + ... + 264011636.

It is an arithmetic number, because the mean of its divisors is an integer number (252657305868).

Almost surely, 2^{1010101202111} is an apocalyptic number.

1010101202111 is a deficient number, since it is larger than the sum of its proper divisors (528021361).

1010101202111 is an equidigital number, since it uses as much as digits as its factorization.

1010101202111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 528021360.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 1010101202111 its reverse (1112021010101), we get a palindrome (2122122212212).

The spelling of 1010101202111 in words is "one trillion, ten billion, one hundred one million, two hundred two thousand, one hundred eleven".